1. A Dictionary of Epidemiology (DRAFT)
2. Principles & Practice of Public Health Surveillance
3. CDC20172017-08-19Seasonal influenza (flu): about flu
https://www.cdc.gov/flu/about/index.html
4. CDC20162016-11-16CDC says “Take 3” actions to fight the flu
http://www.cdc.gov/flu/protect/preventing.htm
5. Real-time Prescription Surveillance and its Application to Monitoring Seasonal Influenza Activity in Japan